(function (factory, window) {

    // define an AMD module that relies on 'leaflet'
    if (typeof define === 'function' && define.amd) {
        define(['leaflet'], factory);


    // define a Common JS module that relies on 'leaflet'
    } else if (typeof module === 'object' && module.exports) {
        module.exports = factory(require('leaflet'));
    }

    // attach your plugin to the global 'L' variable
    if(typeof window !== 'undefined' && window.L){
        factory(window.L);
    }

}(function (L) {
  // 🍂miniclass CancelableEvent (Event objects)
  // 🍂method cancel()
  // Cancel any subsequent action.

  // 🍂miniclass VertexEvent (Event objects)
  // 🍂property vertex: VertexMarker
  // The vertex that fires the event.

  // 🍂miniclass ShapeEvent (Event objects)
  // 🍂property shape: Array
  // The shape (LatLngs array) subject of the action.

  // 🍂miniclass CancelableVertexEvent (Event objects)
  // 🍂inherits VertexEvent
  // 🍂inherits CancelableEvent

  // 🍂miniclass CancelableShapeEvent (Event objects)
  // 🍂inherits ShapeEvent
  // 🍂inherits CancelableEvent

  // 🍂miniclass LayerEvent (Event objects)
  // 🍂property layer: object
  // The Layer (Marker, Polyline…) subject of the action.

  // 🍂namespace Editable; 🍂class Editable; 🍂aka L.Editable
  // Main edition handler. By default, it is attached to the map
  // as `map.editTools` property.
  // Leaflet.Editable is made to be fully extendable. You have three ways to customize
  // the behaviour: using options, listening to events, or extending.
  L.Editable = L.Evented.extend({

    statics: {
      FORWARD: 1,
      BACKWARD: -1
    },

    options: {

      // You can pass them when creating a map using the `editOptions` key.
      // 🍂option zIndex: int = 1000
      // The default zIndex of the editing tools.
      zIndex: 1000,

      // 🍂option polygonClass: class = L.Polygon
      // Class to be used when creating a new Polygon.
      polygonClass: L.Polygon,

      // 🍂option polylineClass: class = L.Polyline
      // Class to be used when creating a new Polyline.
      polylineClass: L.Polyline,

      // 🍂option markerClass: class = L.Marker
      // Class to be used when creating a new Marker.
      markerClass: L.Marker,

      // 🍂option rectangleClass: class = L.Rectangle
      // Class to be used when creating a new Rectangle.
      rectangleClass: L.Rectangle,

      // 🍂option circleClass: class = L.Circle
      // Class to be used when creating a new Circle.
      circleClass: L.Circle,

      // 🍂option drawingCSSClass: string = 'leaflet-editable-drawing'
      // CSS class to be added to the map container while drawing.
      drawingCSSClass: 'leaflet-editable-drawing',

      // 🍂option drawingCursor: const = 'crosshair'
      // Cursor mode set to the map while drawing.
      drawingCursor: 'crosshair',

      // 🍂option editLayer: Layer = new L.LayerGroup()
      // Layer used to store edit tools (vertex, line guide…).
      editLayer: undefined,

      // 🍂option featuresLayer: Layer = new L.LayerGroup()
      // Default layer used to store drawn features (Marker, Polyline…).
      featuresLayer: undefined,

      // 🍂option polylineEditorClass: class = PolylineEditor
      // Class to be used as Polyline editor.
      polylineEditorClass: undefined,

      // 🍂option polygonEditorClass: class = PolygonEditor
      // Class to be used as Polygon editor.
      polygonEditorClass: undefined,

      // 🍂option markerEditorClass: class = MarkerEditor
      // Class to be used as Marker editor.
      markerEditorClass: undefined,

      // 🍂option rectangleEditorClass: class = RectangleEditor
      // Class to be used as Rectangle editor.
      rectangleEditorClass: undefined,

      // 🍂option circleEditorClass: class = CircleEditor
      // Class to be used as Circle editor.
      circleEditorClass: undefined,

      // 🍂option lineGuideOptions: hash = {}
      // Options to be passed to the line guides.
      lineGuideOptions: {},

      // 🍂option skipMiddleMarkers: boolean = false
      // Set this to true if you don't want middle markers.
      skipMiddleMarkers: false

    },

    initialize: function (map, options) {
      L.setOptions(this, options);
      this._lastZIndex = this.options.zIndex;
      this.map = map;
      this.editLayer = this.createEditLayer();
      this.featuresLayer = this.createFeaturesLayer();
      this.forwardLineGuide = this.createLineGuide();
      this.backwardLineGuide = this.createLineGuide();
    },

    fireAndForward: function (type, e) {
      e = e || {};
      e.editTools = this;
      this.fire(type, e);
      this.map.fire(type, e);
    },

    createLineGuide: function () {
      var options = L.extend({dashArray: '5,10', weight: 1, interactive: false}, this.options.lineGuideOptions);
      return L.polyline([], options);
    },

    createVertexIcon: function (options) {
      return L.Browser.mobile && L.Browser.touch ? new L.Editable.TouchVertexIcon(options) : new L.Editable.VertexIcon(options);
    },

    createEditLayer: function () {
      return this.options.editLayer || new L.LayerGroup().addTo(this.map);
    },

    createFeaturesLayer: function () {
      return this.options.featuresLayer || new L.LayerGroup().addTo(this.map);
    },

    moveForwardLineGuide: function (latlng) {
      if (this.forwardLineGuide._latlngs.length) {
        this.forwardLineGuide._latlngs[1] = latlng;
        this.forwardLineGuide._bounds.extend(latlng);
        this.forwardLineGuide.redraw();
      }
    },

    moveBackwardLineGuide: function (latlng) {
      if (this.backwardLineGuide._latlngs.length) {
        this.backwardLineGuide._latlngs[1] = latlng;
        this.backwardLineGuide._bounds.extend(latlng);
        this.backwardLineGuide.redraw();
      }
    },

    anchorForwardLineGuide: function (latlng) {
      this.forwardLineGuide._latlngs[0] = latlng;
      this.forwardLineGuide._bounds.extend(latlng);
      this.forwardLineGuide.redraw();
    },

    anchorBackwardLineGuide: function (latlng) {
      this.backwardLineGuide._latlngs[0] = latlng;
      this.backwardLineGuide._bounds.extend(latlng);
      this.backwardLineGuide.redraw();
    },

    attachForwardLineGuide: function () {
      this.editLayer.addLayer(this.forwardLineGuide);
    },

    attachBackwardLineGuide: function () {
      this.editLayer.addLayer(this.backwardLineGuide);
    },

    detachForwardLineGuide: function () {
      this.forwardLineGuide.setLatLngs([]);
      this.editLayer.removeLayer(this.forwardLineGuide);
    },

    detachBackwardLineGuide: function () {
      this.backwardLineGuide.setLatLngs([]);
      this.editLayer.removeLayer(this.backwardLineGuide);
    },

    blockEvents: function () {
      // Hack: force map not to listen to other layers events while drawing.
      if (!this._oldTargets) {
        this._oldTargets = this.map._targets;
        this.map._targets = {};
      }
    },

    unblockEvents: function () {
      if (this._oldTargets) {
        // Reset, but keep targets created while drawing.
        this.map._targets = L.extend(this.map._targets, this._oldTargets);
        delete this._oldTargets;
      }
    },

    registerForDrawing: function (editor) {
      if (this._drawingEditor) this.unregisterForDrawing(this._drawingEditor);
      this.blockEvents();
      editor.reset();  // Make sure editor tools still receive events.
      this._drawingEditor = editor;
      this.map.on('mousemove touchmove', editor.onDrawingMouseMove, editor);
      this.map.on('mousedown', this.onMousedown, this);
      this.map.on('mouseup', this.onMouseup, this);
      L.DomUtil.addClass(this.map._container, this.options.drawingCSSClass);
      this.defaultMapCursor = this.map._container.style.cursor;
      this.map._container.style.cursor = this.options.drawingCursor;
    },

    unregisterForDrawing: function (editor) {
      this.unblockEvents();
      L.DomUtil.removeClass(this.map._container, this.options.drawingCSSClass);
      this.map._container.style.cursor = this.defaultMapCursor;
      editor = editor || this._drawingEditor;
      if (!editor) return;
      this.map.off('mousemove touchmove', editor.onDrawingMouseMove, editor);
      this.map.off('mousedown', this.onMousedown, this);
      this.map.off('mouseup', this.onMouseup, this);
      if (editor !== this._drawingEditor) return;
      delete this._drawingEditor;
      if (editor._drawing) editor.cancelDrawing();
    },

    onMousedown: function (e) {
      if (e.originalEvent.which != 1) return;
      this._mouseDown = e;
      this._drawingEditor.onDrawingMouseDown(e);
    },

    onMouseup: function (e) {
      if (this._mouseDown) {
        var editor = this._drawingEditor,
          mouseDown = this._mouseDown;
        this._mouseDown = null;
        editor.onDrawingMouseUp(e);
        if (this._drawingEditor !== editor) return;  // onDrawingMouseUp may call unregisterFromDrawing.
        var origin = L.point(mouseDown.originalEvent.clientX, mouseDown.originalEvent.clientY);
        var distance = L.point(e.originalEvent.clientX, e.originalEvent.clientY).distanceTo(origin);
        if (Math.abs(distance) < 9 * (window.devicePixelRatio || 1)) this._drawingEditor.onDrawingClick(e);
      }
    },

    // 🍂section Public methods
    // You will generally access them by the `map.editTools`
    // instance:
    //
    // `map.editTools.startPolyline();`

    // 🍂method drawing(): boolean
    // Return true if any drawing action is ongoing.
    drawing: function () {
      return this._drawingEditor && this._drawingEditor.drawing();
    },

    // 🍂method stopDrawing()
    // When you need to stop any ongoing drawing, without needing to know which editor is active.
    stopDrawing: function () {
      this.unregisterForDrawing();
    },

    // 🍂method commitDrawing()
    // When you need to commit any ongoing drawing, without needing to know which editor is active.
    commitDrawing: function (e) {
      if (!this._drawingEditor) return;
      this._drawingEditor.commitDrawing(e);
    },

    connectCreatedToMap: function (layer) {
      return this.featuresLayer.addLayer(layer);
    },

    // 🍂method startPolyline(latlng: L.LatLng, options: hash): L.Polyline
    // Start drawing a Polyline. If `latlng` is given, a first point will be added. In any case, continuing on user click.
    // If `options` is given, it will be passed to the Polyline class constructor.
    startPolyline: function (latlng, options) {
      var line = this.createPolyline([], options);
      line.enableEdit(this.map).newShape(latlng);
      return line;
    },

    // 🍂method startPolygon(latlng: L.LatLng, options: hash): L.Polygon
    // Start drawing a Polygon. If `latlng` is given, a first point will be added. In any case, continuing on user click.
    // If `options` is given, it will be passed to the Polygon class constructor.
    startPolygon: function (latlng, options) {
      var polygon = this.createPolygon([], options);
      polygon.enableEdit(this.map).newShape(latlng);
      return polygon;
    },

    // 🍂method startMarker(latlng: L.LatLng, options: hash): L.Marker
    // Start adding a Marker. If `latlng` is given, the Marker will be shown first at this point.
    // In any case, it will follow the user mouse, and will have a final `latlng` on next click (or touch).
    // If `options` is given, it will be passed to the Marker class constructor.
    startMarker: function (latlng, options) {
      latlng = latlng || this.map.getCenter().clone();
      var marker = this.createMarker(latlng, options);
      marker.enableEdit(this.map).startDrawing();
      return marker;
    },

    // 🍂method startRectangle(latlng: L.LatLng, options: hash): L.Rectangle
    // Start drawing a Rectangle. If `latlng` is given, the Rectangle anchor will be added. In any case, continuing on user drag.
    // If `options` is given, it will be passed to the Rectangle class constructor.
    startRectangle: function (latlng, options) {
      var corner = latlng || L.latLng([0, 0]);
      var bounds = new L.LatLngBounds(corner, corner);
      var rectangle = this.createRectangle(bounds, options);
      rectangle.enableEdit(this.map).startDrawing();
      return rectangle;
    },

    // 🍂method startCircle(latlng: L.LatLng, options: hash): L.Circle
    // Start drawing a Circle. If `latlng` is given, the Circle anchor will be added. In any case, continuing on user drag.
    // If `options` is given, it will be passed to the Circle class constructor.
    startCircle: function (latlng, options) {
      latlng = latlng || this.map.getCenter().clone();
      var circle = this.createCircle(latlng, options);
      circle.enableEdit(this.map).startDrawing();
      return circle;
    },

    startHole: function (editor, latlng) {
      editor.newHole(latlng);
    },

    createLayer: function (klass, latlngs, options) {
      options = L.Util.extend({editOptions: {editTools: this}}, options);
      var layer = new klass(latlngs, options);
      // 🍂namespace Editable
      // 🍂event editable:created: LayerEvent
      // Fired when a new feature (Marker, Polyline…) is created.
      this.fireAndForward('editable:created', {layer: layer});
      return layer;
    },

    createPolyline: function (latlngs, options) {
      return this.createLayer(options && options.polylineClass || this.options.polylineClass, latlngs, options);
    },

    createPolygon: function (latlngs, options) {
      return this.createLayer(options && options.polygonClass || this.options.polygonClass, latlngs, options);
    },

    createMarker: function (latlng, options) {
      return this.createLayer(options && options.markerClass || this.options.markerClass, latlng, options);
    },

    createRectangle: function (bounds, options) {
      return this.createLayer(options && options.rectangleClass || this.options.rectangleClass, bounds, options);
    },

    createCircle: function (latlng, options) {
      return this.createLayer(options && options.circleClass || this.options.circleClass, latlng, options);
    }

  });

  L.extend(L.Editable, {

    makeCancellable: function (e) {
      e.cancel = function () {
        e._cancelled = true;
      };
    },

    makeSetLatlng: function(e) {
      e.setLatlng = function(latlng) {
        e.latlng = latlng;
      }
    }

  });

  // 🍂namespace Map; 🍂class Map
  // Leaflet.Editable add options and events to the `L.Map` object.
  // See `Editable` events for the list of events fired on the Map.
  // 🍂example
  //
  // ```js
  // var map = L.map('map', {
  //  editable: true,
  //  editOptions: {
  //    …
  // }
  // });
  // ```
  // 🍂section Editable Map Options
  L.Map.mergeOptions({

    // 🍂namespace Map
    // 🍂section Map Options
    // 🍂option editToolsClass: class = L.Editable
    // Class to be used as vertex, for path editing.
    editToolsClass: L.Editable,

    // 🍂option editable: boolean = false
    // Whether to create a L.Editable instance at map init.
    editable: false,

    // 🍂option editOptions: hash = {}
    // Options to pass to L.Editable when instantiating.
    editOptions: {}

  });

  L.Map.addInitHook(function () {

    this.whenReady(function () {
      if (this.options.editable) {
        this.editTools = new this.options.editToolsClass(this, this.options.editOptions);
      }
    });

  });

  L.Editable.VertexIcon = L.DivIcon.extend({

    options: {
      iconSize: new L.Point(8, 8)
    }

  });

  L.Editable.TouchVertexIcon = L.Editable.VertexIcon.extend({

    options: {
      iconSize: new L.Point(20, 20)
    }

  });


  // 🍂namespace Editable; 🍂class VertexMarker; Handler for dragging path vertices.
  L.Editable.VertexMarker = L.Marker.extend({

    options: {
      draggable: true,
      className: 'leaflet-div-icon leaflet-vertex-icon'
    },


    // 🍂section Public methods
    // The marker used to handle path vertex. You will usually interact with a `VertexMarker`
    // instance when listening for events like `editable:vertex:ctrlclick`.

    initialize: function (latlng, latlngs, editor, options) {
      // We don't use this._latlng, because on drag Leaflet replace it while
      // we want to keep reference.
      this.latlng = latlng;
      this.latlngs = latlngs;
      this.editor = editor;
      L.Marker.prototype.initialize.call(this, latlng, options);
      this.options.icon = this.editor.tools.createVertexIcon({className: this.options.className});
      this.latlng.__vertex = this;
      this.editor.editLayer.addLayer(this);
      this.setZIndexOffset(editor.tools._lastZIndex + 1);
    },

    onAdd: function (map) {
      L.Marker.prototype.onAdd.call(this, map);
      this.on('drag', this.onDrag);
      this.on('dragstart', this.onDragStart);
      this.on('dragend', this.onDragEnd);
      this.on('mouseup', this.onMouseup);
      this.on('click', this.onClick);
      this.on('contextmenu', this.onContextMenu);
      this.on('mousedown touchstart', this.onMouseDown);
      this.on('mouseover', this.onMouseOver);
      this.on('mouseout', this.onMouseOut);
      this.addMiddleMarkers();
    },

    onRemove: function (map) {
      if (this.middleMarker) this.middleMarker.delete();
      delete this.latlng.__vertex;
      this.off('drag', this.onDrag);
      this.off('dragstart', this.onDragStart);
      this.off('dragend', this.onDragEnd);
      this.off('mouseup', this.onMouseup);
      this.off('click', this.onClick);
      this.off('contextmenu', this.onContextMenu);
      this.off('mousedown touchstart', this.onMouseDown);
      this.off('mouseover', this.onMouseOver);
      this.off('mouseout', this.onMouseOut);
      L.Marker.prototype.onRemove.call(this, map);
    },

    onDrag: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerDrag(e);
      var iconPos = L.DomUtil.getPosition(this._icon),
        latlng = this._map.layerPointToLatLng(iconPos);
      this.latlng.update(latlng);
      this._latlng = this.latlng;  // Push back to Leaflet our reference.
      this.editor.refresh();
      if (this.middleMarker) this.middleMarker.updateLatLng();
      var next = this.getNext();
      if (next && next.middleMarker) next.middleMarker.updateLatLng();
    },

    onDragStart: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerDragStart(e);
    },

    onDragEnd: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerDragEnd(e);
    },

    onClick: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerClick(e);
    },

    onMouseup: function (e) {
      L.DomEvent.stop(e);
      e.vertex = this;
      this.editor.map.fire('mouseup', e);
    },

    onContextMenu: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerContextMenu(e);
    },

    onMouseDown: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerMouseDown(e);
    },

    onMouseOver: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerMouseOver(e);
    },

    onMouseOut: function (e) {
      e.vertex = this;
      this.editor.onVertexMarkerMouseOut(e);
    },

    // 🍂method delete()
    // Delete a vertex and the related LatLng.
    delete: function () {
      var next = this.getNext();  // Compute before changing latlng
      this.latlngs.splice(this.getIndex(), 1);
      this.editor.editLayer.removeLayer(this);
      this.editor.onVertexDeleted({latlng: this.latlng, vertex: this});
      if (!this.latlngs.length) this.editor.deleteShape(this.latlngs);
      if (next) next.resetMiddleMarker();
      this.editor.refresh();
    },

    // 🍂method getIndex(): int
    // Get the index of the current vertex among others of the same LatLngs group.
    getIndex: function () {
      return this.latlngs.indexOf(this.latlng);
    },

    // 🍂method getLastIndex(): int
    // Get last vertex index of the LatLngs group of the current vertex.
    getLastIndex: function () {
      return this.latlngs.length - 1;
    },

    // 🍂method getPrevious(): VertexMarker
    // Get the previous VertexMarker in the same LatLngs group.
    getPrevious: function () {
      if (this.latlngs.length < 2) return;
      var index = this.getIndex(),
        previousIndex = index - 1;
      if (index === 0 && this.editor.CLOSED) previousIndex = this.getLastIndex();
      var previous = this.latlngs[previousIndex];
      if (previous) return previous.__vertex;
    },

    // 🍂method getNext(): VertexMarker
    // Get the next VertexMarker in the same LatLngs group.
    getNext: function () {
      if (this.latlngs.length < 2) return;
      var index = this.getIndex(),
        nextIndex = index + 1;
      if (index === this.getLastIndex() && this.editor.CLOSED) nextIndex = 0;
      var next = this.latlngs[nextIndex];
      if (next) return next.__vertex;
    },

    addMiddleMarker: function (previous) {
      if (!this.editor.hasMiddleMarkers()) return;
      previous = previous || this.getPrevious();
      if (previous && !this.middleMarker) this.middleMarker = this.editor.addMiddleMarker(previous, this, this.latlngs, this.editor);
    },

    addMiddleMarkers: function () {
      if (!this.editor.hasMiddleMarkers()) return;
      var previous = this.getPrevious();
      if (previous) this.addMiddleMarker(previous);
      var next = this.getNext();
      if (next) next.resetMiddleMarker();
    },

    resetMiddleMarker: function () {
      if (this.middleMarker) this.middleMarker.delete();
      this.addMiddleMarker();
    },

    // 🍂method split()
    // Split the vertex LatLngs group at its index, if possible.
    split: function () {
      if (!this.editor.splitShape) return;  // Only for PolylineEditor
      this.editor.splitShape(this.latlngs, this.getIndex());
    },

    // 🍂method continue()
    // Continue the vertex LatLngs from this vertex. Only active for first and last vertices of a Polyline.
    continue: function () {
      if (!this.editor.continueBackward) return;  // Only for PolylineEditor
      var index = this.getIndex();
      if (index === 0) this.editor.continueBackward(this.latlngs);
      else if (index === this.getLastIndex()) this.editor.continueForward(this.latlngs);
    }

  });

  L.Editable.mergeOptions({

    // 🍂namespace Editable
    // 🍂option vertexMarkerClass: class = VertexMarker
    // Class to be used as vertex, for path editing.
    vertexMarkerClass: L.Editable.VertexMarker

  });

  L.Editable.MiddleMarker = L.Marker.extend({

    options: {
      opacity: 0.5,
      className: 'leaflet-div-icon leaflet-middle-icon',
      draggable: true
    },

    initialize: function (left, right, latlngs, editor, options) {
      this.left = left;
      this.right = right;
      this.editor = editor;
      this.latlngs = latlngs;
      L.Marker.prototype.initialize.call(this, this.computeLatLng(), options);
      this._opacity = this.options.opacity;
      this.options.icon = this.editor.tools.createVertexIcon({className: this.options.className});
      this.editor.editLayer.addLayer(this);
      this.setVisibility();
    },

    setVisibility: function () {
      var leftPoint = this._map.latLngToContainerPoint(this.left.latlng),
        rightPoint = this._map.latLngToContainerPoint(this.right.latlng),
        size = L.point(this.options.icon.options.iconSize);
      if (leftPoint.distanceTo(rightPoint) < size.x * 3) this.hide();
      else this.show();
    },

    show: function () {
      this.setOpacity(this._opacity);
    },

    hide: function () {
      this.setOpacity(0);
    },

    updateLatLng: function () {
      this.setLatLng(this.computeLatLng());
      this.setVisibility();
    },

    computeLatLng: function () {
      var leftPoint = this.editor.map.latLngToContainerPoint(this.left.latlng),
        rightPoint = this.editor.map.latLngToContainerPoint(this.right.latlng),
        y = (leftPoint.y + rightPoint.y) / 2,
        x = (leftPoint.x + rightPoint.x) / 2;
      return this.editor.map.containerPointToLatLng([x, y]);
    },

    onAdd: function (map) {
      L.Marker.prototype.onAdd.call(this, map);
      L.DomEvent.on(this._icon, 'mousedown touchstart', this.onMouseDown, this);
      map.on('zoomend', this.setVisibility, this);
    },

    onRemove: function (map) {
      delete this.right.middleMarker;
      L.DomEvent.off(this._icon, 'mousedown touchstart', this.onMouseDown, this);
      map.off('zoomend', this.setVisibility, this);
      L.Marker.prototype.onRemove.call(this, map);
    },

    onMouseDown: function (e) {
      var iconPos = L.DomUtil.getPosition(this._icon),
        latlng = this.editor.map.layerPointToLatLng(iconPos);
      e = {
        originalEvent: e,
        latlng: latlng
      };
      if (this.options.opacity === 0) return;
      L.Editable.makeCancellable(e);
      this.editor.onMiddleMarkerMouseDown(e);
      if (e._cancelled) return;
      this.latlngs.splice(this.index(), 0, e.latlng);
      this.editor.refresh();
      var icon = this._icon;
      var marker = this.editor.addVertexMarker(e.latlng, this.latlngs);
      this.editor.onNewVertex(marker);
      /* Hack to workaround browser not firing touchend when element is no more on DOM */
      var parent = marker._icon.parentNode;
      parent.removeChild(marker._icon);
      marker._icon = icon;
      parent.appendChild(marker._icon);
      marker._initIcon();
      marker._initInteraction();
      marker.setOpacity(1);
      /* End hack */
      // Transfer ongoing dragging to real marker
      L.Draggable._dragging = false;
      marker.dragging._draggable._onDown(e.originalEvent);
      this.delete();
    },

    delete: function () {
      this.editor.editLayer.removeLayer(this);
    },

    index: function () {
      return this.latlngs.indexOf(this.right.latlng);
    }

  });

  L.Editable.mergeOptions({

    // 🍂namespace Editable
    // 🍂option middleMarkerClass: class = VertexMarker
    // Class to be used as middle vertex, pulled by the user to create a new point in the middle of a path.
    middleMarkerClass: L.Editable.MiddleMarker

  });

  // 🍂namespace Editable; 🍂class BaseEditor; 🍂aka L.Editable.BaseEditor
  // When editing a feature (Marker, Polyline…), an editor is attached to it. This
  // editor basically knows how to handle the edition.
  L.Editable.BaseEditor = L.Handler.extend({

    initialize: function (map, feature, options) {
      L.setOptions(this, options);
      this.map = map;
      this.feature = feature;
      this.feature.editor = this;
      this.editLayer = new L.LayerGroup();
      this.tools = this.options.editTools || map.editTools;
    },

    // 🍂method enable(): this
    // Set up the drawing tools for the feature to be editable.
    addHooks: function () {
      if (this.isConnected()) this.onFeatureAdd();
      else this.feature.once('add', this.onFeatureAdd, this);
      this.onEnable();
      this.feature.on(this._getEvents(), this);
    },

    // 🍂method disable(): this
    // Remove the drawing tools for the feature.
    removeHooks: function () {
      this.feature.off(this._getEvents(), this);
      if (this.feature.dragging) this.feature.dragging.disable();
      this.editLayer.clearLayers();
      this.tools.editLayer.removeLayer(this.editLayer);
      this.onDisable();
      if (this._drawing) this.cancelDrawing();
    },

    // 🍂method drawing(): boolean
    // Return true if any drawing action is ongoing with this editor.
    drawing: function () {
      return !!this._drawing;
    },

    reset: function () {
    },

    onFeatureAdd: function () {
      this.tools.editLayer.addLayer(this.editLayer);
      if (this.feature.dragging) this.feature.dragging.enable();
    },

    hasMiddleMarkers: function () {
      return !this.options.skipMiddleMarkers && !this.tools.options.skipMiddleMarkers;
    },

    fireAndForward: function (type, e) {
      e = e || {};
      e.layer = this.feature;
      this.feature.fire(type, e);
      this.tools.fireAndForward(type, e);
    },

    onEnable: function () {
      // 🍂namespace Editable
      // 🍂event editable:enable: Event
      // Fired when an existing feature is ready to be edited.
      this.fireAndForward('editable:enable');
    },

    onDisable: function () {
      // 🍂namespace Editable
      // 🍂event editable:disable: Event
      // Fired when an existing feature is not ready anymore to be edited.
      this.fireAndForward('editable:disable');
    },

    onEditing: function () {
      // 🍂namespace Editable
      // 🍂event editable:editing: Event
      // Fired as soon as any change is made to the feature geometry.
      this.fireAndForward('editable:editing');
    },

    onStartDrawing: function () {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:start: Event
      // Fired when a feature is to be drawn.
      this.fireAndForward('editable:drawing:start');
    },

    onEndDrawing: function () {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:end: Event
      // Fired when a feature is not drawn anymore.
      this.fireAndForward('editable:drawing:end');
    },

    onCancelDrawing: function () {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:cancel: Event
      // Fired when user cancel drawing while a feature is being drawn.
      this.fireAndForward('editable:drawing:cancel');
    },

    onCommitDrawing: function (e) {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:commit: Event
      // Fired when user finish drawing a feature.
      this.fireAndForward('editable:drawing:commit', e);
    },

    onDrawingMouseDown: function (e) {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:mousedown: Event
      // Fired when user `mousedown` while drawing.
      this.fireAndForward('editable:drawing:mousedown', e);
    },

    onDrawingMouseUp: function (e) {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:mouseup: Event
      // Fired when user `mouseup` while drawing.
      this.fireAndForward('editable:drawing:mouseup', e);
    },

    startDrawing: function () {
      if (!this._drawing) this._drawing = L.Editable.FORWARD;
      this.tools.registerForDrawing(this);
      this.onStartDrawing();
    },

    commitDrawing: function (e) {
      this.onCommitDrawing(e);
      this.endDrawing();
    },

    cancelDrawing: function () {
      // If called during a vertex drag, the vertex will be removed before
      // the mouseup fires on it. This is a workaround. Maybe better fix is
      // To have L.Draggable reset it's status on disable (Leaflet side).
      L.Draggable._dragging = false;
      this.onCancelDrawing();
      this.endDrawing();
    },

    endDrawing: function () {
      this._drawing = false;
      this.tools.unregisterForDrawing(this);
      this.onEndDrawing();
    },

    onDrawingClick: function (e) {
      if (!this.drawing()) return;
      L.Editable.makeCancellable(e);
      L.Editable.makeSetLatlng(e);
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:click: CancelableEvent
      // Fired when user `click` while drawing, before any internal action is being processed.
      this.fireAndForward('editable:drawing:click', e);
      if (e._cancelled) return;
      if (!this.isConnected()) this.connect(e);
      this.processDrawingClick(e);
    },

    isConnected: function () {
      return this.map.hasLayer(this.feature);
    },

    connect: function () {
      this.tools.connectCreatedToMap(this.feature);
      this.tools.editLayer.addLayer(this.editLayer);
    },

    onMove: function (e) {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:move: Event
      // Fired when `move` mouse while drawing, while dragging a marker, and while dragging a vertex.
      this.fireAndForward('editable:drawing:move', e);
    },

    onDrawingMouseMove: function (e) {
      this.onMove(e);
    },

    _getEvents: function () {
      return {
        dragstart: this.onDragStart,
        drag: this.onDrag,
        dragend: this.onDragEnd,
        remove: this.disable
      };
    },

    onDragStart: function (e) {
      this.onEditing();
      // 🍂namespace Editable
      // 🍂event editable:dragstart: Event
      // Fired before a path feature is dragged.
      this.fireAndForward('editable:dragstart', e);
    },

    onDrag: function (e) {
      this.onMove(e);
      // 🍂namespace Editable
      // 🍂event editable:drag: Event
      // Fired when a path feature is being dragged.
      this.fireAndForward('editable:drag', e);
    },

    onDragEnd: function (e) {
      // 🍂namespace Editable
      // 🍂event editable:dragend: Event
      // Fired after a path feature has been dragged.
      this.fireAndForward('editable:dragend', e);
    }

  });

  // 🍂namespace Editable; 🍂class MarkerEditor; 🍂aka L.Editable.MarkerEditor
  // 🍂inherits BaseEditor
  // Editor for Marker.
  L.Editable.MarkerEditor = L.Editable.BaseEditor.extend({

    onDrawingMouseMove: function (e) {
      L.Editable.BaseEditor.prototype.onDrawingMouseMove.call(this, e);
      if (this._drawing) this.feature.setLatLng(e.latlng);
    },

    processDrawingClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Drawing events
      // 🍂event editable:drawing:clicked: Event
      // Fired when user `click` while drawing, after all internal actions.
      this.fireAndForward('editable:drawing:clicked', e);
      this.commitDrawing(e);
    },

    connect: function (e) {
      // On touch, the latlng has not been updated because there is
      // no mousemove.
      if (e) this.feature._latlng = e.latlng;
      L.Editable.BaseEditor.prototype.connect.call(this, e);
    }

  });

  // 🍂namespace Editable; 🍂class PathEditor; 🍂aka L.Editable.PathEditor
  // 🍂inherits BaseEditor
  // Base class for all path editors.
  L.Editable.PathEditor = L.Editable.BaseEditor.extend({

    CLOSED: false,
    MIN_VERTEX: 2,

    addHooks: function () {
      L.Editable.BaseEditor.prototype.addHooks.call(this);
      if (this.feature) this.initVertexMarkers();
      return this;
    },

    initVertexMarkers: function (latlngs) {
      if (!this.enabled()) return;
      latlngs = latlngs || this.getLatLngs();
      if (isFlat(latlngs)) this.addVertexMarkers(latlngs);
      else for (var i = 0; i < latlngs.length; i++) this.initVertexMarkers(latlngs[i]);
    },

    getLatLngs: function () {
      return this.feature.getLatLngs();
    },

    // 🍂method reset()
    // Rebuild edit elements (Vertex, MiddleMarker, etc.).
    reset: function () {
      this.editLayer.clearLayers();
      this.initVertexMarkers();
    },

    addVertexMarker: function (latlng, latlngs) {
      return new this.tools.options.vertexMarkerClass(latlng, latlngs, this);
    },

    onNewVertex: function (vertex) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:new: VertexEvent
      // Fired when a new vertex is created.
      this.fireAndForward('editable:vertex:new', {latlng: vertex.latlng, vertex: vertex});
    },

    addVertexMarkers: function (latlngs) {
      for (var i = 0; i < latlngs.length; i++) {
        this.addVertexMarker(latlngs[i], latlngs);
      }
    },

    refreshVertexMarkers: function (latlngs) {
      latlngs = latlngs || this.getDefaultLatLngs();
      for (var i = 0; i < latlngs.length; i++) {
        latlngs[i].__vertex.update();
      }
    },

    addMiddleMarker: function (left, right, latlngs) {
      return new this.tools.options.middleMarkerClass(left, right, latlngs, this);
    },

    onVertexMarkerClick: function (e) {
      L.Editable.makeCancellable(e);
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:click: CancelableVertexEvent
      // Fired when a `click` is issued on a vertex, before any internal action is being processed.
      this.fireAndForward('editable:vertex:click', e);
      if (e._cancelled) return;
      if (this.tools.drawing() && this.tools._drawingEditor !== this) return;
      var index = e.vertex.getIndex(), commit;
      if (e.originalEvent.ctrlKey) {
        this.onVertexMarkerCtrlClick(e);
      } else if (e.originalEvent.altKey) {
        this.onVertexMarkerAltClick(e);
      } else if (e.originalEvent.shiftKey) {
        this.onVertexMarkerShiftClick(e);
      } else if (e.originalEvent.metaKey) {
        this.onVertexMarkerMetaKeyClick(e);
      } else if (index === e.vertex.getLastIndex() && this._drawing === L.Editable.FORWARD) {
        if (index >= this.MIN_VERTEX - 1) commit = true;
      } else if (index === 0 && this._drawing === L.Editable.BACKWARD && this._drawnLatLngs.length >= this.MIN_VERTEX) {
        commit = true;
      } else if (index === 0 && this._drawing === L.Editable.FORWARD && this._drawnLatLngs.length >= this.MIN_VERTEX && this.CLOSED) {
        commit = true;  // Allow to close on first point also for polygons
      } else {
        this.onVertexRawMarkerClick(e);
      }
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:clicked: VertexEvent
      // Fired when a `click` is issued on a vertex, after all internal actions.
      this.fireAndForward('editable:vertex:clicked', e);
      if (commit) this.commitDrawing(e);
    },

    onVertexRawMarkerClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:rawclick: CancelableVertexEvent
      // Fired when a `click` is issued on a vertex without any special key and without being in drawing mode.
      this.fireAndForward('editable:vertex:rawclick', e);
      if (e._cancelled) return;
      if (!this.vertexCanBeDeleted(e.vertex)) return;
      e.vertex.delete();
    },

    vertexCanBeDeleted: function (vertex) {
      return vertex.latlngs.length > this.MIN_VERTEX;
    },

    onVertexDeleted: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:deleted: VertexEvent
      // Fired after a vertex has been deleted by user.
      this.fireAndForward('editable:vertex:deleted', e);
    },

    onVertexMarkerCtrlClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:ctrlclick: VertexEvent
      // Fired when a `click` with `ctrlKey` is issued on a vertex.
      this.fireAndForward('editable:vertex:ctrlclick', e);
    },

    onVertexMarkerShiftClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:shiftclick: VertexEvent
      // Fired when a `click` with `shiftKey` is issued on a vertex.
      this.fireAndForward('editable:vertex:shiftclick', e);
    },

    onVertexMarkerMetaKeyClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:metakeyclick: VertexEvent
      // Fired when a `click` with `metaKey` is issued on a vertex.
      this.fireAndForward('editable:vertex:metakeyclick', e);
    },

    onVertexMarkerAltClick: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:altclick: VertexEvent
      // Fired when a `click` with `altKey` is issued on a vertex.
      this.fireAndForward('editable:vertex:altclick', e);
    },

    onVertexMarkerContextMenu: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:contextmenu: VertexEvent
      // Fired when a `contextmenu` is issued on a vertex.
      this.fireAndForward('editable:vertex:contextmenu', e);
    },

    onVertexMarkerMouseDown: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:mousedown: VertexEvent
      // Fired when user `mousedown` a vertex.
      this.fireAndForward('editable:vertex:mousedown', e);
    },

    onVertexMarkerMouseOver: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:mouseover: VertexEvent
      // Fired when a user's mouse enters the vertex
      this.fireAndForward('editable:vertex:mouseover', e);
    },

    onVertexMarkerMouseOut: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:mouseout: VertexEvent
      // Fired when a user's mouse leaves the vertex
      this.fireAndForward('editable:vertex:mouseout', e);
    },

    onMiddleMarkerMouseDown: function (e) {
      // 🍂namespace Editable
      // 🍂section MiddleMarker events
      // 🍂event editable:middlemarker:mousedown: VertexEvent
      // Fired when user `mousedown` a middle marker.
      this.fireAndForward('editable:middlemarker:mousedown', e);
    },

    onVertexMarkerDrag: function (e) {
      this.onMove(e);
      if (this.feature._bounds) this.extendBounds(e);
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:drag: VertexEvent
      // Fired when a vertex is dragged by user.
      this.fireAndForward('editable:vertex:drag', e);
    },

    onVertexMarkerDragStart: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:dragstart: VertexEvent
      // Fired before a vertex is dragged by user.
      this.fireAndForward('editable:vertex:dragstart', e);
    },

    onVertexMarkerDragEnd: function (e) {
      // 🍂namespace Editable
      // 🍂section Vertex events
      // 🍂event editable:vertex:dragend: VertexEvent
      // Fired after a vertex is dragged by user.
      this.fireAndForward('editable:vertex:dragend', e);
    },

    setDrawnLatLngs: function (latlngs) {
      this._drawnLatLngs = latlngs || this.getDefaultLatLngs();
    },

    startDrawing: function () {
      if (!this._drawnLatLngs) this.setDrawnLatLngs();
      L.Editable.BaseEditor.prototype.startDrawing.call(this);
    },

    startDrawingForward: function () {
      this.startDrawing();
    },

    endDrawing: function () {
      this.tools.detachForwardLineGuide();
      this.tools.detachBackwardLineGuide();
      if (this._drawnLatLngs && this._drawnLatLngs.length < this.MIN_VERTEX) this.deleteShape(this._drawnLatLngs);
      L.Editable.BaseEditor.prototype.endDrawing.call(this);
      delete this._drawnLatLngs;
    },

    addLatLng: function (latlng) {
      if (this._drawing === L.Editable.FORWARD) this._drawnLatLngs.push(latlng);
      else this._drawnLatLngs.unshift(latlng);
      this.feature._bounds.extend(latlng);
      var vertex = this.addVertexMarker(latlng, this._drawnLatLngs);
      this.onNewVertex(vertex);
      this.refresh();
    },

    newPointForward: function (latlng) {
      this.addLatLng(latlng);
      this.tools.attachForwardLineGuide();
      this.tools.anchorForwardLineGuide(latlng);
    },

    newPointBackward: function (latlng) {
      this.addLatLng(latlng);
      this.tools.anchorBackwardLineGuide(latlng);
    },

    // 🍂namespace PathEditor
    // 🍂method push()
    // Programmatically add a point while drawing.
    push: function (latlng) {
      if (!latlng) return console.error('L.Editable.PathEditor.push expect a valid latlng as parameter');
      if (this._drawing === L.Editable.FORWARD) this.newPointForward(latlng);
      else this.newPointBackward(latlng);
    },

    removeLatLng: function (latlng) {
      latlng.__vertex.delete();
      this.refresh();
    },

    // 🍂method pop(): L.LatLng or null
    // Programmatically remove last point (if any) while drawing.
    pop: function () {
      if (this._drawnLatLngs.length <= 1) return;
      var latlng;
      if (this._drawing === L.Editable.FORWARD) latlng = this._drawnLatLngs[this._drawnLatLngs.length - 1];
      else latlng = this._drawnLatLngs[0];
      this.removeLatLng(latlng);
      if (this._drawing === L.Editable.FORWARD) this.tools.anchorForwardLineGuide(this._drawnLatLngs[this._drawnLatLngs.length - 1]);
      else this.tools.anchorForwardLineGuide(this._drawnLatLngs[0]);
      return latlng;
    },

    processDrawingClick: function (e) {
      if (e.vertex && e.vertex.editor === this) return;
      if (this._drawing === L.Editable.FORWARD) this.newPointForward(e.latlng);
      else this.newPointBackward(e.latlng);
      this.fireAndForward('editable:drawing:clicked', e);
    },

    onDrawingMouseMove: function (e) {
      L.Editable.BaseEditor.prototype.onDrawingMouseMove.call(this, e);
      if (this._drawing) {
        this.tools.moveForwardLineGuide(e.latlng);
        this.tools.moveBackwardLineGuide(e.latlng);
      }
    },

    refresh: function () {
      this.feature.redraw();
      this.onEditing();
    },

    // 🍂namespace PathEditor
    // 🍂method newShape(latlng?: L.LatLng)
    // Add a new shape (Polyline, Polygon) in a multi, and setup up drawing tools to draw it;
    // if optional `latlng` is given, start a path at this point.
    newShape: function (latlng) {
      var shape = this.addNewEmptyShape();
      if (!shape) return;
      this.setDrawnLatLngs(shape[0] || shape);  // Polygon or polyline
      this.startDrawingForward();
      // 🍂namespace Editable
      // 🍂section Shape events
      // 🍂event editable:shape:new: ShapeEvent
      // Fired when a new shape is created in a multi (Polygon or Polyline).
      this.fireAndForward('editable:shape:new', {shape: shape});
      if (latlng) this.newPointForward(latlng);
    },

    deleteShape: function (shape, latlngs) {
      var e = {shape: shape};
      L.Editable.makeCancellable(e);
      // 🍂namespace Editable
      // 🍂section Shape events
      // 🍂event editable:shape:delete: CancelableShapeEvent
      // Fired before a new shape is deleted in a multi (Polygon or Polyline).
      this.fireAndForward('editable:shape:delete', e);
      if (e._cancelled) return;
      shape = this._deleteShape(shape, latlngs);
      if (this.ensureNotFlat) this.ensureNotFlat();  // Polygon.
      this.feature.setLatLngs(this.getLatLngs());  // Force bounds reset.
      this.refresh();
      this.reset();
      // 🍂namespace Editable
      // 🍂section Shape events
      // 🍂event editable:shape:deleted: ShapeEvent
      // Fired after a new shape is deleted in a multi (Polygon or Polyline).
      this.fireAndForward('editable:shape:deleted', {shape: shape});
      return shape;
    },

    _deleteShape: function (shape, latlngs) {
      latlngs = latlngs || this.getLatLngs();
      if (!latlngs.length) return;
      var self = this,
        inplaceDelete = function (latlngs, shape) {
          // Called when deleting a flat latlngs
          shape = latlngs.splice(0, Number.MAX_VALUE);
          return shape;
        },
        spliceDelete = function (latlngs, shape) {
          // Called when removing a latlngs inside an array
          latlngs.splice(latlngs.indexOf(shape), 1);
          if (!latlngs.length) self._deleteShape(latlngs);
          return shape;
        };
      if (latlngs === shape) return inplaceDelete(latlngs, shape);
      for (var i = 0; i < latlngs.length; i++) {
        if (latlngs[i] === shape) return spliceDelete(latlngs, shape);
        else if (latlngs[i].indexOf(shape) !== -1) return spliceDelete(latlngs[i], shape);
      }
    },

    // 🍂namespace PathEditor
    // 🍂method deleteShapeAt(latlng: L.LatLng): Array
    // Remove a path shape at the given `latlng`.
    deleteShapeAt: function (latlng) {
      var shape = this.feature.shapeAt(latlng);
      if (shape) return this.deleteShape(shape);
    },

    // 🍂method appendShape(shape: Array)
    // Append a new shape to the Polygon or Polyline.
    appendShape: function (shape) {
      this.insertShape(shape);
    },

    // 🍂method prependShape(shape: Array)
    // Prepend a new shape to the Polygon or Polyline.
    prependShape: function (shape) {
      this.insertShape(shape, 0);
    },

    // 🍂method insertShape(shape: Array, index: int)
    // Insert a new shape to the Polygon or Polyline at given index (default is to append).
    insertShape: function (shape, index) {
      this.ensureMulti();
      shape = this.formatShape(shape);
      if (typeof index === 'undefined') index = this.feature._latlngs.length;
      this.feature._latlngs.splice(index, 0, shape);
      this.feature.redraw();
      if (this._enabled) this.reset();
    },

    extendBounds: function (e) {
      this.feature._bounds.extend(e.vertex.latlng);
    },

    onDragStart: function (e) {
      this.editLayer.clearLayers();
      L.Editable.BaseEditor.prototype.onDragStart.call(this, e);
    },

    onDragEnd: function (e) {
      this.initVertexMarkers();
      L.Editable.BaseEditor.prototype.onDragEnd.call(this, e);
    }

  });

  // 🍂namespace Editable; 🍂class PolylineEditor; 🍂aka L.Editable.PolylineEditor
  // 🍂inherits PathEditor
  L.Editable.PolylineEditor = L.Editable.PathEditor.extend({

    startDrawingBackward: function () {
      this._drawing = L.Editable.BACKWARD;
      this.startDrawing();
    },

    // 🍂method continueBackward(latlngs?: Array)
    // Set up drawing tools to continue the line backward.
    continueBackward: function (latlngs) {
      if (this.drawing()) return;
      latlngs = latlngs || this.getDefaultLatLngs();
      this.setDrawnLatLngs(latlngs);
      if (latlngs.length > 0) {
        this.tools.attachBackwardLineGuide();
        this.tools.anchorBackwardLineGuide(latlngs[0]);
      }
      this.startDrawingBackward();
    },

    // 🍂method continueForward(latlngs?: Array)
    // Set up drawing tools to continue the line forward.
    continueForward: function (latlngs) {
      if (this.drawing()) return;
      latlngs = latlngs || this.getDefaultLatLngs();
      this.setDrawnLatLngs(latlngs);
      if (latlngs.length > 0) {
        this.tools.attachForwardLineGuide();
        this.tools.anchorForwardLineGuide(latlngs[latlngs.length - 1]);
      }
      this.startDrawingForward();
    },

    getDefaultLatLngs: function (latlngs) {
      latlngs = latlngs || this.feature._latlngs;
      if (!latlngs.length || latlngs[0] instanceof L.LatLng) return latlngs;
      else return this.getDefaultLatLngs(latlngs[0]);
    },

    ensureMulti: function () {
      if (this.feature._latlngs.length && isFlat(this.feature._latlngs)) {
        this.feature._latlngs = [this.feature._latlngs];
      }
    },

    addNewEmptyShape: function () {
      if (this.feature._latlngs.length) {
        var shape = [];
        this.appendShape(shape);
        return shape;
      } else {
        return this.feature._latlngs;
      }
    },

    formatShape: function (shape) {
      if (isFlat(shape)) return shape;
      else if (shape[0]) return this.formatShape(shape[0]);
    },

    // 🍂method splitShape(latlngs?: Array, index: int)
    // Split the given `latlngs` shape at index `index` and integrate new shape in instance `latlngs`.
    splitShape: function (shape, index) {
      if (!index || index >= shape.length - 1) return;
      this.ensureMulti();
      var shapeIndex = this.feature._latlngs.indexOf(shape);
      if (shapeIndex === -1) return;
      var first = shape.slice(0, index + 1),
        second = shape.slice(index);
      // We deal with reference, we don't want twice the same latlng around.
      second[0] = L.latLng(second[0].lat, second[0].lng, second[0].alt);
      this.feature._latlngs.splice(shapeIndex, 1, first, second);
      this.refresh();
      this.reset();
    }

  });

  // 🍂namespace Editable; 🍂class PolygonEditor; 🍂aka L.Editable.PolygonEditor
  // 🍂inherits PathEditor
  L.Editable.PolygonEditor = L.Editable.PathEditor.extend({

    CLOSED: true,
    MIN_VERTEX: 3,

    newPointForward: function (latlng) {
      L.Editable.PathEditor.prototype.newPointForward.call(this, latlng);
      if (!this.tools.backwardLineGuide._latlngs.length) this.tools.anchorBackwardLineGuide(latlng);
      if (this._drawnLatLngs.length === 2) this.tools.attachBackwardLineGuide();
    },

    addNewEmptyHole: function (latlng) {
      this.ensureNotFlat();
      var latlngs = this.feature.shapeAt(latlng);
      if (!latlngs) return;
      var holes = [];
      latlngs.push(holes);
      return holes;
    },

    // 🍂method newHole(latlng?: L.LatLng, index: int)
    // Set up drawing tools for creating a new hole on the Polygon. If the `latlng` param is given, a first point is created.
    newHole: function (latlng) {
      var holes = this.addNewEmptyHole(latlng);
      if (!holes) return;
      this.setDrawnLatLngs(holes);
      this.startDrawingForward();
      if (latlng) this.newPointForward(latlng);
    },

    addNewEmptyShape: function () {
      if (this.feature._latlngs.length && this.feature._latlngs[0].length) {
        var shape = [];
        this.appendShape(shape);
        return shape;
      } else {
        return this.feature._latlngs;
      }
    },

    ensureMulti: function () {
      if (this.feature._latlngs.length && isFlat(this.feature._latlngs[0])) {
        this.feature._latlngs = [this.feature._latlngs];
      }
    },

    ensureNotFlat: function () {
      if (!this.feature._latlngs.length || isFlat(this.feature._latlngs)) this.feature._latlngs = [this.feature._latlngs];
    },

    vertexCanBeDeleted: function (vertex) {
      var parent = this.feature.parentShape(vertex.latlngs),
        idx = L.Util.indexOf(parent, vertex.latlngs);
      if (idx > 0) return true;  // Holes can be totally deleted without removing the layer itself.
      return L.Editable.PathEditor.prototype.vertexCanBeDeleted.call(this, vertex);
    },

    getDefaultLatLngs: function () {
      if (!this.feature._latlngs.length) this.feature._latlngs.push([]);
      return this.feature._latlngs[0];
    },

    formatShape: function (shape) {
      // [[1, 2], [3, 4]] => must be nested
      // [] => must be nested
      // [[]] => is already nested
      if (isFlat(shape) && (!shape[0] || shape[0].length !== 0)) return [shape];
      else return shape;
    }

  });

  // 🍂namespace Editable; 🍂class RectangleEditor; 🍂aka L.Editable.RectangleEditor
  // 🍂inherits PathEditor
  L.Editable.RectangleEditor = L.Editable.PathEditor.extend({

    CLOSED: true,
    MIN_VERTEX: 4,

    options: {
      skipMiddleMarkers: true
    },

    extendBounds: function (e) {
      var index = e.vertex.getIndex(),
        next = e.vertex.getNext(),
        previous = e.vertex.getPrevious(),
        oppositeIndex = (index + 2) % 4,
        opposite = e.vertex.latlngs[oppositeIndex],
        bounds = new L.LatLngBounds(e.latlng, opposite);
      // Update latlngs by hand to preserve order.
      previous.latlng.update([e.latlng.lat, opposite.lng]);
      next.latlng.update([opposite.lat, e.latlng.lng]);
      this.updateBounds(bounds);
      this.refreshVertexMarkers();
    },

    onDrawingMouseDown: function (e) {
      L.Editable.PathEditor.prototype.onDrawingMouseDown.call(this, e);
      this.connect();
      var latlngs = this.getDefaultLatLngs();
      // L.Polygon._convertLatLngs removes last latlng if it equals first point,
      // which is the case here as all latlngs are [0, 0]
      if (latlngs.length === 3) latlngs.push(e.latlng);
      var bounds = new L.LatLngBounds(e.latlng, e.latlng);
      this.updateBounds(bounds);
      this.updateLatLngs(bounds);
      this.refresh();
      this.reset();
      // Stop dragging map.
      // L.Draggable has two workflows:
      // - mousedown => mousemove => mouseup
      // - touchstart => touchmove => touchend
      // Problem: L.Map.Tap does not allow us to listen to touchstart, so we only
      // can deal with mousedown, but then when in a touch device, we are dealing with
      // simulated events (actually simulated by L.Map.Tap), which are no more taken
      // into account by L.Draggable.
      // Ref.: https://github.com/Leaflet/Leaflet.Editable/issues/103
      e.originalEvent._simulated = false;
      this.map.dragging._draggable._onUp(e.originalEvent);
      // Now transfer ongoing drag action to the bottom right corner.
      // Should we refine which corner will handle the drag according to
      // drag direction?
      latlngs[3].__vertex.dragging._draggable._onDown(e.originalEvent);
    },

    onDrawingMouseUp: function (e) {
      this.commitDrawing(e);
      e.originalEvent._simulated = false;
      L.Editable.PathEditor.prototype.onDrawingMouseUp.call(this, e);
    },

    onDrawingMouseMove: function (e) {
      e.originalEvent._simulated = false;
      L.Editable.PathEditor.prototype.onDrawingMouseMove.call(this, e);
    },


    getDefaultLatLngs: function (latlngs) {
      return latlngs || this.feature._latlngs[0];
    },

    updateBounds: function (bounds) {
      this.feature._bounds = bounds;
    },

    updateLatLngs: function (bounds) {
      var latlngs = this.getDefaultLatLngs(),
        newLatlngs = this.feature._boundsToLatLngs(bounds);
      // Keep references.
      for (var i = 0; i < latlngs.length; i++) {
        latlngs[i].update(newLatlngs[i]);
      }
    }

  });

  // 🍂namespace Editable; 🍂class CircleEditor; 🍂aka L.Editable.CircleEditor
  // 🍂inherits PathEditor
  L.Editable.CircleEditor = L.Editable.PathEditor.extend({

    MIN_VERTEX: 2,

    options: {
      skipMiddleMarkers: true
    },

    initialize: function (map, feature, options) {
      L.Editable.PathEditor.prototype.initialize.call(this, map, feature, options);
      this._resizeLatLng = this.computeResizeLatLng();
    },

    computeResizeLatLng: function () {
      // While circle is not added to the map, _radius is not set.
      var delta = (this.feature._radius || this.feature._mRadius) * Math.cos(Math.PI / 4),
        point = this.map.project(this.feature._latlng);
      return this.map.unproject([point.x + delta, point.y - delta]);
    },

    updateResizeLatLng: function () {
      this._resizeLatLng.update(this.computeResizeLatLng());
      this._resizeLatLng.__vertex.update();
    },

    getLatLngs: function () {
      return [this.feature._latlng, this._resizeLatLng];
    },

    getDefaultLatLngs: function () {
      return this.getLatLngs();
    },

    onVertexMarkerDrag: function (e) {
      if (e.vertex.getIndex() === 1) this.resize(e);
      else this.updateResizeLatLng(e);
      L.Editable.PathEditor.prototype.onVertexMarkerDrag.call(this, e);
    },

    resize: function (e) {
      var radius = this.feature._latlng.distanceTo(e.latlng);
      this.feature.setRadius(radius);
    },

    onDrawingMouseDown: function (e) {
      L.Editable.PathEditor.prototype.onDrawingMouseDown.call(this, e);
      this._resizeLatLng.update(e.latlng);
      this.feature._latlng.update(e.latlng);
      this.connect();
      // Stop dragging map.
      e.originalEvent._simulated = false;
      this.map.dragging._draggable._onUp(e.originalEvent);
      // Now transfer ongoing drag action to the radius handler.
      this._resizeLatLng.__vertex.dragging._draggable._onDown(e.originalEvent);
    },

    onDrawingMouseUp: function (e) {
      this.commitDrawing(e);
      e.originalEvent._simulated = false;
      L.Editable.PathEditor.prototype.onDrawingMouseUp.call(this, e);
    },

    onDrawingMouseMove: function (e) {
      e.originalEvent._simulated = false;
      L.Editable.PathEditor.prototype.onDrawingMouseMove.call(this, e);
    },

    onDrag: function (e) {
      L.Editable.PathEditor.prototype.onDrag.call(this, e);
      this.feature.dragging.updateLatLng(this._resizeLatLng);
    }

  });

  var EditableMixin = {

    createEditor: function (map) {
      map = map || this._map;
      var tools = (this.options.editOptions || {}).editTools || map.editTools;
      if (!tools) throw Error('Unable to detect Editable instance.');
      var Klass = this.options.editorClass || this.getEditorClass(tools);
      return new Klass(map, this, this.options.editOptions);
    },

    // 🍂method enableEdit(map?: L.Map): this.editor
    // Enable editing, by creating an editor if not existing, and then calling `enable` on it.
    enableEdit: function (map) {
      if (!this.editor) this.createEditor(map);
      this.editor.enable();
      return this.editor;
    },

    // 🍂method editEnabled(): boolean
    // Return true if current instance has an editor attached, and this editor is enabled.
    editEnabled: function () {
      return this.editor && this.editor.enabled();
    },

    // 🍂method disableEdit()
    // Disable editing, also remove the editor property reference.
    disableEdit: function () {
      if (this.editor) {
        this.editor.disable();
        delete this.editor;
      }
    },

    // 🍂method toggleEdit()
    // Enable or disable editing, according to current status.
    toggleEdit: function () {
      if (this.editEnabled()) this.disableEdit();
      else this.enableEdit();
    },

    _onEditableAdd: function () {
      if (this.editor) this.enableEdit();
    }

  };

  var PolylineMixin = {

    getEditorClass: function (tools) {
      return (tools && tools.options.polylineEditorClass) ? tools.options.polylineEditorClass : L.Editable.PolylineEditor;
    },

    shapeAt: function (latlng, latlngs) {
      // We can have those cases:
      // - latlngs are just a flat array of latlngs, use this
      // - latlngs is an array of arrays of latlngs, loop over
      var shape = null;
      latlngs = latlngs || this._latlngs;
      if (!latlngs.length) return shape;
      else if (isFlat(latlngs) && this.isInLatLngs(latlng, latlngs)) shape = latlngs;
      else for (var i = 0; i < latlngs.length; i++) if (this.isInLatLngs(latlng, latlngs[i])) return latlngs[i];
      return shape;
    },

    isInLatLngs: function (l, latlngs) {
      if (!latlngs) return false;
      var i, k, len, part = [], p,
        w = this._clickTolerance();
      this._projectLatlngs(latlngs, part, this._pxBounds);
      part = part[0];
      p = this._map.latLngToLayerPoint(l);

      if (!this._pxBounds.contains(p)) {
        return false;
      }
      for (i = 1, len = part.length, k = 0; i < len; k = i++) {

        if (L.LineUtil.pointToSegmentDistance(p, part[k], part[i]) <= w) {
          return true;
        }
      }
      return false;
    }

  };

  var PolygonMixin = {

    getEditorClass: function (tools) {
      return (tools && tools.options.polygonEditorClass) ? tools.options.polygonEditorClass : L.Editable.PolygonEditor;
    },

    shapeAt: function (latlng, latlngs) {
      // We can have those cases:
      // - latlngs are just a flat array of latlngs, use this
      // - latlngs is an array of arrays of latlngs, this is a simple polygon (maybe with holes), use the first
      // - latlngs is an array of arrays of arrays, this is a multi, loop over
      var shape = null;
      latlngs = latlngs || this._latlngs;
      if (!latlngs.length) return shape;
      else if (isFlat(latlngs) && this.isInLatLngs(latlng, latlngs)) shape = latlngs;
      else if (isFlat(latlngs[0]) && this.isInLatLngs(latlng, latlngs[0])) shape = latlngs;
      else for (var i = 0; i < latlngs.length; i++) if (this.isInLatLngs(latlng, latlngs[i][0])) return latlngs[i];
      return shape;
    },

    isInLatLngs: function (l, latlngs) {
      var inside = false, l1, l2, j, k, len2;

      for (j = 0, len2 = latlngs.length, k = len2 - 1; j < len2; k = j++) {
        l1 = latlngs[j];
        l2 = latlngs[k];

        if (((l1.lat > l.lat) !== (l2.lat > l.lat)) &&
          (l.lng < (l2.lng - l1.lng) * (l.lat - l1.lat) / (l2.lat - l1.lat) + l1.lng)) {
          inside = !inside;
        }
      }

      return inside;
    },

    parentShape: function (shape, latlngs) {
      latlngs = latlngs || this._latlngs;
      if (!latlngs) return;
      var idx = L.Util.indexOf(latlngs, shape);
      if (idx !== -1) return latlngs;
      for (var i = 0; i < latlngs.length; i++) {
        idx = L.Util.indexOf(latlngs[i], shape);
        if (idx !== -1) return latlngs[i];
      }
    }

  };


  var MarkerMixin = {

    getEditorClass: function (tools) {
      return (tools && tools.options.markerEditorClass) ? tools.options.markerEditorClass : L.Editable.MarkerEditor;
    }

  };

  var RectangleMixin = {

    getEditorClass: function (tools) {
      return (tools && tools.options.rectangleEditorClass) ? tools.options.rectangleEditorClass : L.Editable.RectangleEditor;
    }

  };

  var CircleMixin = {

    getEditorClass: function (tools) {
      return (tools && tools.options.circleEditorClass) ? tools.options.circleEditorClass : L.Editable.CircleEditor;
    }

  };

  var keepEditable = function () {
    // Make sure you can remove/readd an editable layer.
    this.on('add', this._onEditableAdd);
  };

  var isFlat = L.LineUtil.isFlat || L.LineUtil._flat || L.Polyline._flat;  // <=> 1.1 compat.


  if (L.Polyline) {
    L.Polyline.include(EditableMixin);
    L.Polyline.include(PolylineMixin);
    L.Polyline.addInitHook(keepEditable);
  }
  if (L.Polygon) {
    L.Polygon.include(EditableMixin);
    L.Polygon.include(PolygonMixin);
  }
  if (L.Marker) {
    L.Marker.include(EditableMixin);
    L.Marker.include(MarkerMixin);
    L.Marker.addInitHook(keepEditable);
  }
  if (L.Rectangle) {
    L.Rectangle.include(EditableMixin);
    L.Rectangle.include(RectangleMixin);
  }
  if (L.Circle) {
    L.Circle.include(EditableMixin);
    L.Circle.include(CircleMixin);
  }

  L.LatLng.prototype.update = function (latlng) {
    latlng = L.latLng(latlng);
    this.lat = latlng.lat;
    this.lng = latlng.lng;
  }

}, window));
